As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FAULT FOR ESCAPE SLIDE LT/EPSU (15WL) MID L DISPLAYED DURING SYSTEM TEST. MAINTENANCE REPLACED THE L2 DOOR SLIDE PER JOB CARD 26L00025012 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM WITH NO FAULTS NOTED.